Yuujirou Iwao (巌 裕次郎 Iwao Yūjirō) is a character in Act-Age manga series. He is a director affiliated with Tenkyu Theatrical Company.
He is recognized as "An Authority in the World of Stage-acting". He had directed stage play production for 40 years as said by a stage play critic. He chose Kei Yonagi for his stage play after Sumiji Kuroyama told him about Yonagi. "Night of Galactic Railroad" will be his last stage play that he direct.